Kiloampere is 1000 ampere units.
Kiloamperes to Megaamperes Converter — kA to MA
Convert Kiloampere (kA) to Megaampere (MA) using the exact conversion factor (1 kiloampere = 0.001 megaampere). See the formula, worked examples, and conversion table.
Kiloamperes to Megaamperes converter
Converter
Electricity Converter
Convert electrical units by family and calculate voltage, current, resistance, power, and energy with context values.
Context values
Some unit families need one extra value for a physically accurate result.
Megaampere is 1000000 ampere units.
Result = input x 1000 / 1e+6.
Electrical units in the same family convert directly.
Reserved above the conversion cards and below the converter.
About Converting Kiloamperes to Megaamperes
Kiloampere and Megaampere both belong to the electricity family — voltage, current, resistance, power, or energy — units that show up constantly when working across the different standards used by household wiring (120V/240V depending on region), automotive electrical systems (12V/24V), and electronics design. Specifically: Kiloampere is 1000 ampere units, and megaampere is 1000000 ampere units.
Formula
megaamperes = kiloamperes × 0.001
This factor comes from each unit's defined relationship to the category's base unit: 1 kiloampere equals 1000 base units, and 1 megaampere equals 1000000 base units, so dividing one by the other gives the direct kiloampere-to-megaampere factor of 0.001.
Simple example
1 kA × 0.001 = 0.001 MA
1 kiloampere = 0.001 megaamperes.
Real-world example
120 kA × 0.001 = 0.12 MA
120 kiloamperes = 0.12 megaamperes.
Conversion table
| Kiloampere (kA) | Megaampere (MA) |
|---|---|
| 1 kA | 0.001 MA |
| 5 kA | 0.005 MA |
| 12 kA | 0.012 MA |
| 24 kA | 0.024 MA |
| 120 kA | 0.12 MA |
| 240 kA | 0.24 MA |
Reverse conversion: Megaampere to Kiloampere
0.001 MA × 1000 = 1 kA
0.001 megaamperes = 1 kiloampere.
kiloamperes = megaamperes × 1000
For a page dedicated to this direction, see Megaampere to Kiloampere.
Understanding the Kiloampere (kA)
Kiloampere is 1000 ampere units.
Understanding the Megaampere (MA)
Megaampere is 1000000 ampere units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many megaamperes are in 1 kiloampere?
1 kiloampere equals 0.001 megaamperes, using the exact defined conversion factor rather than an estimate.
How do I convert kiloampere to megaampere?
Multiply the kiloampere value by 0.001. The converter above does this instantly to whatever precision you set.
How do I convert megaampere back to kiloampere?
Use the reverse factor: 1 megaampere equals 1,000 kiloamperes. You can also use the swap control in the converter above to flip the direction instantly.
What is a kiloampere?
Kiloampere (kA) is a unit of electricity.
What is a megaampere?
Megaampere (MA) is a unit of electricity.
Is the kiloampere to megaampere conversion exact?
Yes. Both kiloampere and megaampere are defined by fixed standards rather than physical artifacts, so the factor of 0.001 used above is exact to as many digits as you choose to display.
What's the difference between voltage, current, and resistance?
Voltage (volts) is the electrical potential difference driving current through a circuit. Current (amperes) is the rate of flow of electric charge. Resistance (ohms) is how much a component opposes that flow. They're related by Ohm's law (V = I × R), but they are distinct physical quantities, and this page converts between units of just one of them.